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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef RS_FILTER_H_
     18 #define RS_FILTER_H_
     19 
     20 #include <media/stagefright/RenderScriptWrapper.h>
     21 #include <RenderScript.h>
     22 
     23 #include "SimpleFilter.h"
     24 
     25 namespace android {
     26 
     27 struct AString;
     28 
     29 struct RSFilter : public SimpleFilter {
     30 public:
     31     RSFilter();
     32 
     33     virtual status_t configure(const sp<AMessage> &msg);
     34     virtual status_t start();
     35     virtual void reset();
     36     virtual status_t setParameters(const sp<AMessage> &msg);
     37     virtual status_t processBuffers(
     38             const sp<ABuffer> &srcBuffer, const sp<ABuffer> &outBuffer);
     39 
     40 protected:
     41     virtual ~RSFilter();
     42 
     43 private:
     44     AString mCacheDir;
     45     sp<RenderScriptWrapper::RSFilterCallback> mCallback;
     46     RSC::sp<RSC::RS> mRS;
     47     RSC::sp<RSC::Allocation> mAllocIn;
     48     RSC::sp<RSC::Allocation> mAllocOut;
     49 };
     50 
     51 }   // namespace android
     52 
     53 #endif  // RS_FILTER_H_
     54